Formation: Hell Creek

• Averostra

  Nanotyrannus lancensis

  Dinosaur Nanotyrannus lancensis: scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references

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• Averostra

  Nanotyrannus lethaeus

  Dinosaur Nanotyrannus lethaeus: scientific and paleontological classification, description, dimensions, length, weight, speed, temporal range, species, fossils, references

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• “Orcomimus”

  Dinosaur "Orcomimus": scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references

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• “Ornithomimus” sedens

  Dinosaur "Ornithomimus" sedens: scientific and paleontological classification, description, dimensions, length, weight, speed, temporal range, species, fossils, references

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• Cerapoda

  Pachycephalosaurus wyomingensis

  Dinosaur Pachycephalosaurus wyomingensis : scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references

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• Pectinodon bakkeri 

  Dinosaur Pectinodon bakkeri : scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references

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• Platytholus clemensi

  Dinosaur Platytholus clemensi: scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references

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• Richardoestesia isosceles 

  Dinosaur Richardoestesia isosceles : scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references

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• Sphaerotholus buchholtzae

  Dinosaur Sphaerotholus buchholtzae: scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references

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• Sphaerotholus lyonsi

  Dinosaur Sphaerotholus lyonsi: scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references

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